According to the Direct Marketing Association, email marketing generated an ROI of $57.25 for every dollar spent on it in 2005, outperforming all other direct marketing channels. When rated against all other online marketing tactics, 47 percent of marketers said email marketing was their top-performing tactic, according to a survey by MarketingSherpa. For these reasons, marketers are expected to do more email marketing in 2007, and was cited more often than any other form of marketing as the most important advertising medium that marketers would use this year, according to a survey by Datran Media.
Source: Talk with Jordan Ayan, CEO of SubscriberMail (Email Experience Council Mailshot)